Memecahkan Hilangya Regedit......

Enable registry editor (regedit)

First Method:

Click Start -> Run -> gpedit.msc -> User Configuration -> Administrative Templates -> System -> Prevent access to registry editing tools -> Right Click Properties -> Set it to Not Configured.

Read more: http://wiki.answers.com/Q/How_do_you_enable_Registry_Editing_again_if_it_has_been_disabled_by_your_administrator#ixzz1G6imbQuI